{"id":7229,"date":"2019-08-23T16:18:23","date_gmt":"2019-08-23T08:18:23","guid":{"rendered":"https:\/\/www.jxscmachine.com\/?post_type=solutions&p=7229"},"modified":"2019-12-31T15:33:55","modified_gmt":"2019-12-31T07:33:55","slug":"processamento-de-chumbo","status":"publish","type":"solutions","link":"https:\/\/www.jxscmachine.com\/pt\/solutions\/lead-processing\/","title":{"rendered":"Chumbo"},"content":{"rendered":"
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\"Chumbo\"<\/div>\n\t\t<\/figure>\n\t<\/div>\n
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Tipo<\/strong>
\nElemento (Minerais\/res\u00edduos de)<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

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Descri\u00e7\u00e3o<\/h2><\/div><\/div>\n\t
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O chumbo \u00e9 um metal branco-prateado azulado, mas \u00e9 facilmente oxidado pelo oxig\u00e9nio no ar para formar \u00f3xido de chumbo cinzento-preto. O chumbo tem fraca ductilidade, forte ductilidade, elevada resist\u00eancia \u00e0 corros\u00e3o e boa resist\u00eancia \u00e0 penetra\u00e7\u00e3o radioactiva. \u00c9 um dos primeiros metais utilizados pelo homem. <\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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Relacionado com a explora\u00e7\u00e3o mineira<\/h2><\/div><\/div>\n\t
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O teor de chumbo na crosta terrestre \u00e9 de 0,0016%, e as suas reservas s\u00e3o relativamente abundantes. A Austr\u00e1lia, a China, a R\u00fassia, os Estados Unidos, o Peru e o M\u00e9xico, os pa\u00edses com mais reservas de chumbo no mundo, representam 87% das reservas mundiais, sendo a Austr\u00e1lia respons\u00e1vel pelos maiores 40%, a China por 16% e os EUA por 6%, o Peru por 8%, o M\u00e9xico por 6%, a R\u00fassia por 11% e outras regi\u00f5es por 13%.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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Utiliza\u00e7\u00f5es<\/h2><\/div><\/div>\n\t
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Os principais min\u00e9rios que cont\u00eam chumbo s\u00e3o a galena, o min\u00e9rio esquel\u00e9tico e o sulfato de chumbo. O chumbo met\u00e1lico tem boa ductilidade e resist\u00eancia \u00e0 corros\u00e3o, e \u00e9 f\u00e1cil fazer ligas com excelentes propriedades com outros metais. O chumbo met\u00e1lico, a liga de chumbo e os seus compostos s\u00e3o amplamente utilizados em baterias, revestimento de cabos, fabrico de m\u00e1quinas, constru\u00e7\u00e3o naval, ind\u00fastria ligeira, \u00f3xido de chumbo, prote\u00e7\u00e3o contra radia\u00e7\u00f5es e outras ind\u00fastrias.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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Processamento de min\u00e9rio de chumbo<\/h2><\/div><\/div>\n\t
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De acordo com o grau de oxida\u00e7\u00e3o do min\u00e9rio, o min\u00e9rio de chumbo-zinco pode ser dividido em tr\u00eas categorias: mina de sulfureto de chumbo-zinco, min\u00e9rio de \u00f3xido de chumbo-zinco e min\u00e9rio misto de chumbo-zinco.<\/p>\n

1. O processo de beneficia\u00e7\u00e3o do min\u00e9rio de sulfureto de chumbo-zinco
\nOs principais minerais constituintes do sulfureto de chumbo-zinco s\u00e3o a galena e a esfalerite, ambos min\u00e9rios prim\u00e1rios. A maior parte do min\u00e9rio de sulfureto de zinco utiliza um processo de flota\u00e7\u00e3o preferencial, geralmente \"chumbo flutuante e zinco supressor\". Isto deve-se principalmente \u00e0 boa flutuabilidade da galena, que \u00e9 dif\u00edcil de ativar ap\u00f3s a inibi\u00e7\u00e3o; al\u00e9m disso, na maior parte do sulfureto de chumbo-zinco, o teor de zinco \u00e9 superior ao de chumbo.<\/p>\n

2. Processo de beneficia\u00e7\u00e3o do min\u00e9rio de \u00f3xido de chumbo-zinco
\nNo min\u00e9rio de \u00f3xido de chumbo-zinco, o chumbo existe principalmente no estado de cerusite e anglesite, e o zinco existe principalmente no estado de bonamite e willemite. Os min\u00e9rios de \u00f3xido de chumbo s\u00e3o geralmente aplicados com a tecnologia de flota\u00e7\u00e3o de xantato, e os min\u00e9rios de \u00f3xido de zinco s\u00e3o geralmente aplicados com a tecnologia de flota\u00e7\u00e3o de sulfureto de amina.<\/p>\n

3. A flota\u00e7\u00e3o de min\u00e9rio misto de chumbo-zinco pode ser efectuada com refer\u00eancia ao m\u00e9todo de beneficia\u00e7\u00e3o de min\u00e9rios de sulfureto e min\u00e9rios oxidados. A ordem de flota\u00e7\u00e3o adequada deve ser corretamente determinada no processo de beneficia\u00e7\u00e3o. Os esquemas comuns s\u00e3o: sulfureto de chumbo-\u00f3xido de chumbo-sulfureto de zinco-\u00f3xido de zinco-; sulfureto de chumbo-zinco-\u00f3xido de chumbo. Quando o teor de \u00f3xido de chumbo \u00e9 pequeno, o primeiro esquema pode ser usado, e o segundo esquema \u00e9 melhor.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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Equipamento de processamento de chumbo<\/h2><\/div><\/div>\n\t
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Equipamento e utiliza\u00e7\u00f5es de beneficia\u00e7\u00e3o de min\u00e9rio de chumbo-zinco<\/p>\n

Triturador de mand\u00edbulas e triturador de cone: Triturar o min\u00e9rio para conseguir a dissocia\u00e7\u00e3o dos minerais \u00fateis e dos minerais de ganga.
\nPeneira vibrat\u00f3ria auto-centrante: A mistura \u00e9 dividida em diferentes graus de acordo com o tamanho da part\u00edcula, e os produtos de tamanho de part\u00edcula qualificado s\u00e3o classificados para evitar a tritura\u00e7\u00e3o excessiva do min\u00e9rio e melhorar a produtividade do triturador.
\nMoinho de bolas: pulveriza o min\u00e9rio para o tornar mais fino.
\nHidrociclone: Os produtos qualificados s\u00e3o separados a tempo de evitar a tritura\u00e7\u00e3o excessiva e, ao mesmo tempo, a areia grossa n\u00e3o qualificada pode ser separada e devolvida para uma nova tritura\u00e7\u00e3o: Existe tamb\u00e9m o papel da concentra\u00e7\u00e3o.
\nM\u00e1quina de flota\u00e7\u00e3o: arejar a lama para arejar as part\u00edculas de min\u00e9rio que foram submetidas ao coletor para as bolhas de ar e rasp\u00e1-las com um raspador para obter um concentrado.
\nEspessador: O processo de precipita\u00e7\u00e3o e concentra\u00e7\u00e3o da polpa de min\u00e9rio para separar a polpa de min\u00e9rio mais fina num l\u00edquido claro e numa polpa de min\u00e9rio.
\nFiltro: remove a maior parte da humidade capilar do material.
\nAl\u00e9m disso, existem alguns equipamentos auxiliares, como mineiros de electro-vibra\u00e7\u00e3o, transportadores de correia, tanques de mistura, minas, bombas de areia, tanques de bombagem, motores, etc.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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Casos relacionados<\/h2><\/div><\/div>
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—Casos de processamento de chumbo<\/strong><\/span><\/span>—
\n12TPH Processo de separa\u00e7\u00e3o por gravidade de cobre, chumbo, zinco e rocha em Marrocos<\/a>
\n15TPH F\u00e1brica de extra\u00e7\u00e3o de chumbo e barita de rejeitos no Ir\u00e3o<\/a>
\nPlanta de processo de chumbo e zinco de 30TPH em Marrocos<\/a><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

O chumbo (elemento #82, s\u00edmbolo Pb) \u00e9 um elemento met\u00e1lico muito macio, de cor cinzenta-azulada. \u00c9 produzido principalmente a partir do mineral galena. Tem sido utilizado desde a antiguidade.<\/p>","protected":false},"author":1,"featured_media":7230,"parent":0,"menu_order":11,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-7229","solutions","type-solutions","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nLead Processing | Equipment, Process Flow, Cases - JXSC Machine<\/title>\n<meta name=\"description\" content=\"Lead processing description from its geology mineral property to how to extract mineral from rock and placer deposit, related processing plant flow chart and layout design.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.jxscmachine.com\/pt\/solucoes\/processamento-de-chumbo\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lead Processing | Equipment, Process Flow, Cases - 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